# Comparing the Efficacy of Two Valved Holding Chambers in Acute Wheezing

> **NCT03900494** · NA · COMPLETED · sponsor: **Tampere University** · enrollment: 80 (actual)

## Conditions studied

- Bronchitis Obstructive
- Bronchiolitis; Obstruction
- Bronchospasm; Bronchitis

## Interventions

- **DEVICE:** VHC 1
- **DEVICE:** VHC 2

## Key facts

- **NCT ID:** NCT03900494
- **Lead sponsor:** Tampere University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-04-17
- **Primary completion:** 2025-05-23
- **Final completion:** 2025-05-23
- **Target enrollment:** 80 (ACTUAL)
- **Last updated:** 2026-01-29

## Collaborators

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- [object Object]
- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03900494

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03900494, "Comparing the Efficacy of Two Valved Holding Chambers in Acute Wheezing". Retrieved via AI Analytics 2026-07-19 from https://api.ai-analytics.org/clinical/NCT03900494. Licensed CC0.

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